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Adult Medical Surgical ATI
1. A 36-year-old woman complains of reflux symptoms and intermittent diarrhea. The diagnosis of gastrinoma is suspected so a fasting serum gastrin is obtained and found to be 280 pg/mL (normal <115 pg/mL). An abdominal CT is negative. What would you do now?
- A. Refer her for an exploratory laparotomy
- B. Measure serum gastrin in response to secretin infusion
- C. Treat her for H. pylori
- D. Obtain a dedicated small bowel series
Correct answer: B
Rationale: The next step after finding an elevated fasting serum gastrin level is to perform a secretin stimulation test. This test helps differentiate between gastrinoma and other causes of elevated gastrin levels, such as proton-pump inhibitor therapy or H2 antagonists. In gastrinoma, the serum gastrin level should further increase after secretin infusion, while in other conditions, the levels would not significantly rise. Exploratory laparotomy would be premature without confirming the diagnosis. Treating for H. pylori is not indicated as the diagnosis of gastrinoma is under consideration and not Helicobacter pylori infection. A dedicated small bowel series is not the next appropriate step in this scenario.
2. A client's healthcare provider has ordered a 'liver panel' in response to the client's development of jaundice. When reviewing the results of this laboratory testing, the nurse should expect to review what blood tests? Select one that doesn't apply.
- A. Alanine aminotransferase (ALT)
- B. C-reactive protein (CRP)
- C. Gamma-glutamyl transferase (GGT)
- D. Aspartate aminotransferase (AST)
Correct answer: B
Rationale: A 'liver panel' is a group of blood tests used to evaluate liver function. The components typically include ALT, GGT, and AST. While C-reactive protein (CRP) is a marker of inflammation and not part of a standard liver panel, it may be ordered for other diagnostic purposes.
3. A 75-year-old patient is admitted for pancreatitis. Which tool would be the most appropriate for the nurse to use during the admission assessment?
- A. Drug Abuse Screening Test (DAST-10)
- B. Clinical Institute Withdrawal Assessment of Alcohol Scale, Revised (CIWA-Ar)
- C. Screening Test-Geriatric Version (SMAST-G)
- D. Mini-Mental State Examination
Correct answer: C
Rationale: The most appropriate tool for the nurse to use during the admission assessment of a 75-year-old patient admitted for pancreatitis is the Screening Test-Geriatric Version (SMAST-G). Since alcohol abuse is a common factor associated with pancreatitis, screening for alcohol use is crucial. The SMAST-G is a validated short-form alcoholism screening instrument tailored for older adults. If the patient screens positively on the SMAST-G, then the CIWA-Ar would be useful for further assessment. The Drug Abuse Screening Test (DAST-10) provides information on substance use in general, not specific to alcohol. The Mini-Mental State Examination is used to assess cognitive function, not alcohol abuse.
4. A client with a history of deep vein thrombosis (DVT) is receiving warfarin (Coumadin). Which laboratory value indicates a therapeutic effect of the medication?
- A. INR of 2.5.
- B. PTT of 45 seconds.
- C. Hemoglobin of 12 g/dL.
- D. Platelet count of 150,000/mm³.
Correct answer: A
Rationale: An INR (International Normalized Ratio) of 2.5 indicates a therapeutic level for clients receiving warfarin (Coumadin) to prevent thromboembolism. It is essential to monitor INR levels regularly when on warfarin therapy to ensure that the blood's ability to clot is within the desired range to prevent both clotting and excessive bleeding.
5. A client with chronic obstructive pulmonary disease (COPD) is receiving oxygen therapy. Which instruction should the nurse provide?
- A. Use oxygen continuously, even while sleeping.
- B. Adjust the oxygen flow rate to 5 liters per minute if short of breath.
- C. Report any signs of difficulty breathing immediately.
- D. Take off the oxygen while eating or drinking.
Correct answer: A
Rationale: The correct instruction for a client with COPD receiving oxygen therapy is to use oxygen continuously, even while sleeping. This is important to ensure adequate oxygenation and optimal respiratory function for clients with COPD. Continuous oxygen therapy helps maintain oxygen levels during sleep, which is crucial for individuals with COPD who may experience nighttime hypoxemia. Therefore, advising the client to use oxygen continuously, even during sleep, is essential in managing COPD and preventing complications associated with oxygen deprivation.
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